日光灯节电申富源（珠海平沙）当前，无论是住宅还是办公室的照明，日光灯以它发光效率高的优点正在取代着白炽灯。然而，使用者只考虑到灯是否会亮，而忽视了电能节约的问题。在白炽灯线路中，电流与电压相位相同，它消耗的功率为Ｐ＝ＵＩ。而在日光灯线路中，由于“电流... Fluorescent power Shenyuan (Zhuhai Pingsha) Currently, whether it is residential or office lighting, fluorescent light with its advantages of high efficiency is replacing the incandescent lamp. However, the user only considers whether the light will be on, ignoring the power saving problem. In an incandescent circuit, the current and voltage phases are the same, and it consumes power P = UI. In the fluorescent circuit, due to "current ...